4.
Biomes of the World
2. The Taiga
aka: boreal forest
1. Band of coniferous trees located
just south of tundra
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2. Milder climate and more diverse
biota than tundra
3. Forests subject to heavy logging
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pressure.

6.
Biomes of the World
4. Temperate Deciduous Forest
1. Located in the mid-latitude areas
2. Four distinct seasons
3. Short, cold winters & long, hot, wet
summers
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4. Trees adapted to the winter with a period
of dormancy and thick bark to protect
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them from the cold weather

7.
Biomes of the World
5. Grasslands
1. Composed of a rich mix of
grasses and forbs and some of
the world's most fertile soils
2. Semiarid, continental climate
3. Summers tend to be dry
4. Most precipitation falls at start of
growing season
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9.
Biomes of the World
7. Deserts
1. Arid, with annual rainfall less than 10 in.
2. Plants adapted to conserve water over
long periods (e.g. cacti, sagebrush, and
mesquite) or germinate, develop to
maturity, flower, and produce a new
crop of seeds within a few weeks
following a rain event
3. Animals burrow to escape the heat of the
desert sun
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19.
Aquatic Ecosystems
Human Impacts
Waterways across the United States are
contaminated by a medicine chest of antibiotics,
hormones, caffeine, painkillers and other drugs
Agricultural runoff can carry fertilizers, including
traces of antibiotics and hormones, into waterways
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